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Tuesday, March 24, 2015

Netiquette IQ Technical Term Of The Day - Mesh Network Topology

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mesh network topology from whatis.com

A mesh
network topology is a decentralized design in which each node on the network
connects to at least two other nodes. Mesh networks are expected to play an
important part in the Internet of Things.Unlike
nodes in a star topology, which require a router to deliver Internet service,
network nodes can "talk" directly to each other without requiring
the assistance of an Internet connection. A big advantage of this
decentralized topology is that there cannot be a single point of failure
(SPoF). If one node can no longer operate, all the rest can still communicate
with each other, directly or through one or more intermediate nodes.

Mesh
networks can use a full mesh topology or a partial mesh topology. In a full
mesh topology, each network node is connected to all the other nodes in the
network. In a partial mesh topology, at least one node connects directly to
every other node while others may only connect to those nodes they exchange
data with on a frequent basis.

In the
past, when mesh networks were always wired, the topology could be expensive
(and complicated) to implement because each node had to be physically
connected to other nodes. Today, however, advances in wireless communication
and short-range wireless personal network (WPAN) specifications have removed
the physical and financial barriers.

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